Machaeroidinae

This article is about the extinct subfamily of carnivorous mammals Machaeroidinae. For the similarly named subfamily of extinct cats, see Machairodontinae.

Machaeroidinae
Temporal range: early to middle Eocene
skull cast of Machaeroides eothen
lower jaw of Apataelurus kayi
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Clade: Pan-Carnivora
Order: †Oxyaenodonta
Family: †Oxyaenidae
Subfamily: †
Matthew, 1909[1]
Type genus
†Machaeroides
Matthew, 1909
Genera
[see classification]
A map showing the fossil finds of machaeroidinid genera.
Synonyms
list of synonyms:
  • Machaeroididae
  • Machaeroidini Van Valen, 1966[2]
  • Machairoidinae Matthew, 1909
  • Machaerodinae Lavrov, 1999[3]

Machaeroidinae ("dagger-like") is an extinct subfamily of carnivorous saber-toothed placental mammals, from the extinct family Oxyaenidae, that lived from the early to middle Eocene of Asia and North America.[4] Traditionally classified as hyaenodonts, this group is now classified as a member of the family Oxyaenidae.[5][6][7]

Classification and phylogeny

Taxonomy

  • Subfamily: †Machaeroidinae Matthew, 1909
    • Genus: †Apataelurus Scott, 1937
      • †Apataelurus kayi Scott, 1937
      • †Apataelurus pishigouensis Tong & Lei, 1986
    • Genus: †Diegoaelurus Zack, Poust & Wagner, 2022[8]
      • Diegoaelurus vanvalkenburghae Zack, Poust & Wagner, 2022
    • Genus: †Isphanatherium Lavrov & Averianov, 1998
      • Isphanatherium ferganensis Lavrov & Averianov, 1998
    • Genus: †Machaeroides Matthew, 1909
      • †Machaeroides eothen Matthew, 1909
      • †Machaeroides simpsoni Dawson, 1986
    • Incertae sedis:
      • †Machaeroidinae sp. [CM 2386] Zack, 2019
      • †Machaeroidinae sp. [FMNH PM 1506] Tomiya, 2021
      • †Machaeroidinae sp. [USNM 173514] Zack, 2019

See also

References

  1. ^ W. D. Matthew (1909.) "The Carnivora and Insectivora of the Bridger Basin, middle Eocene." Memoirs of the American Museum of Natural History 9:289-567
  2. ^ L. Van Valen (1966.) "Deltatheridia, a new order of Mammals." Bulletin of the American Museum of Natural History 132(1):1-126
  3. ^ A. V. Lavrov (1999.) "Adaptive Radiation of Hyaenodontinae (Creodonta, Hyaenodontidae) of Asia." in 6th Congress of the Theriological Society, Moscow, April 13–16, p. 138 [in Russian].
  4. ^ Malcolm C. McKenna, Susan K. Bell: Classification of Mammals: Above the Species Level in Columbia University Press, New York (1997), 631 Seiten.
  5. ^ Zack, S. (2014). "Saber-tooth origins: a new skeletal association and the affinities of Machaeroidinae (Mammalia, Creodonta)". Journal of Vertebrate Paleontology, Program and Abstracts: 259–260.
  6. ^ Shawn P. Zack (2019). "A skeleton of a Uintan machaeroidine 'creodont' and the phylogeny of carnivorous eutherian mammals". Journal of Systematic Palaeontology. 17 (8): 653–689. doi:10.1080/14772019.2018.1466374. S2CID 89934728.
  7. ^ Shawn P. Zack (2019). "The first North American Propterodon (Hyaenodonta: Hyaenodontidae), a new species from the late Uintan of Utah". PeerJ. 7: e8136. doi:10.7717/peerj.8136. PMC 6876642. PMID 31772846.
  8. ^ Zack, Shawn P.; Poust, Ashley W.; Wagner, Hugh (2022-03-15). "Diegoaelurus, a new machaeroidine (Oxyaenidae) from the Santiago Formation (late Uintan) of southern California and the relationships of Machaeroidinae, the oldest group of sabertooth mammals". PeerJ. 10: e13032. doi:10.7717/peerj.13032. ISSN 2167-8359. PMC 8932314. PMID 35310159.
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